PDO large insert statement - php

Question

I have a large textfile with rows of data that need to be imported in the database. But the file contains like 300000 rows and I can't get it to work, because the query seems too big.
$all_inserts = array();
$count = 0;
foreach($file as $line) {
if($count > 0) {
$modelnummer = trim(substr($line, 0, 4));
$datum = trim(substr($line, 4, 8));
$acc_nummer = trim(substr($line, 12, 4));
$acc_volgnr = trim(substr($line, 16, 1));
$prijs = trim(substr($line, 17,5));
$mutatiecode = trim(substr($line, 22,1));
$all_inserts[] = array($modelnummer, $datum, $acc_nummer, $acc_volgnr, $prijs, $this->quote($mutatiecode));
}
$count++;
}
$query = 'INSERT INTO accessoire_model_brommer (modelnummer, datum, acc_nummer, acc_volgnr, prijs, mutatiecode) VALUES ';
$rows = array();
foreach($all_inserts as $one_insert) {
$rows[] = '(' . implode(',', $one_insert) . ')';
}
$query .= ' ' . implode(',', $rows);
$db->query($query);
I used above code for smaller files and it works fine and fast. But it doesn't work for the bigger files. Does someone know a better way to read and insert this file?
Also tried to use an insert statement per row within a transaction, but it doesn't work either.

Answer 1

Note: I don't know the exact limitations of PDO or SQL for query length
If the query seems too big, perhaps you could splice up the textfile, so instead of running 1 query with 300k values, run 100 queries with 3000 values i.e.?
Perhaps you could create a buffer, fill it with 3000 values and run the query. Empty the buffer, fill it with the next 3000 values and run the query again.